Percentage MCQs

In an election contested between two candidates, 15% of the total voters did not cast their votes and 100 votes got disqualified. The candidate who won the election won it by securing 45% of the total votes and won by a margin of 400 votes. Find the total number of voters?

What will come in the place of (?) in the expression below :
x% of y is y% of (?)

The monthly expenses of a person are $$66\frac{2}{3}\% $$  more than her monthly savings. If her monthly income increases by 44% and her monthly expenses increase by 60%, then there is an increase of Rs. 1,040 in her monthly savings. What is the initial expenditure (in Rs.)?

Solve this :
(0.85% of 405) + (2.25% of 550) = ?

The population of a town is 4.2 × 10⁶. If the population increases by 75 per 1000 per annum, then what will be the population after 2 years ?

Find the number :
85% of 420 + ?% of 1080 = 735

Solve this :
85% of 485.5 = 50% of ?

Every day a mango seller sells half his stock, 10% of the stock overnight gets spoiled. If 1983 mangoes rotted over 3 nights then how many did hi start with on the first day ?

In the expression xy² , the value of both variables x and y are decreased by 20%. By this, the value of the expression is decreased by :